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Biot Savart Law Free Doubts and Solutions

CBSE - XII Science - Physics - Moving Charges and Magnetism

Two short magnets P and Q are placed one over the other with their magnetic axis mutually perpendicular to each other. it is found that the resultant field at a point on the prolongation of the magnetic field of P is inclined at 30 with this axis. compare the magnetic moments of the two magnets.

Asked by modi72879 25th November 2017, 11:35 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

What is Biot - Savart law. (in the form of a statement please)

Asked by pksunilnair 3rd October 2017, 3:08 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

pl derive the expression for the field due to straight wire using Biot Sawart's law

Asked by Rajeev 21st February 2016, 11:29 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

State Biot – Savart law. Deduce the expression for the magnetic field at a point on the axis of a current carrying circular loop of radius ‘R’ distant ‘x’ from the centre. Hence, write the magnetic field at the centre of a loop.

Asked by Topperlearning User 10th July 2015, 7:28 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

The electron in a hydrogen atom circles around the proton with a speed of 2.18 x 106 m/s in an orbit of radius 5.3 x 10 -11 m. calculate the equivalent current and magnetic field produced by proton.

Asked by Topperlearning User 18th May 2015, 4:14 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

The wire as has shown in the figure below carries current of 15 A. Determine the magnitude of magnetic field induction at the centre O. given the radius of the bent coil is 4 cm.

Asked by Topperlearning User 18th May 2015, 4:06 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

A circular coil of 400 turns has a radius 3.5 m and carries a current of 4 A. What is the magnetic field at a point on the axis of the coil from the centre?

Asked by Topperlearning User 18th May 2015, 4:00 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

A circular coil of wire of 100 turns, each of radius 8 cm carries a current of 0.50 A. What is the magnitude of the magnetic field induction at the centre of the coil?

Asked by Topperlearning User 18th May 2015, 3:57 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

A long straight conductor carrying current of 5A is placed in north south direction. Find the magnetic field due to 15 cm piece of the conductor at a point 3m-north east from the piece, if the current is flowing from south to north.

Asked by Topperlearning User 18th May 2015, 3:52 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

What is the magnetic moment of an electron orbiting in a circular orbit of radius r with speed v?

Asked by Topperlearning User 18th May 2015, 3:49 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

What is magnetic dipole moment of a current loop? Give its direction, if any.

Asked by Topperlearning User 18th May 2015, 3:45 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

Deduce the expression for the magnetic field induction at the centre of a circular electron orbit of radius r and angular velocity of orbiting electron ω.

Asked by Topperlearning User 18th May 2015, 3:43 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

What happens to the magnetic field of the coil on its axis at a point very very far away from its centre, if the radius of the coil is doubled keeping the current flowing through it unchanged?

Asked by Topperlearning User 18th May 2015, 3:37 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

Find the magnetic field produced if the point lies at the centre of circular coil carrying current?

Asked by Topperlearning User 18th May 2015, 3:36 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

Find the magnetic field induction at a point on the axis of a circular coil carrying current.

Asked by Topperlearning User 18th May 2015, 3:35 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

When will be the magnetic field produced at a point due to current element maximum and minimum?

Asked by Topperlearning User 18th May 2015, 2:31 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

Find the magnetic field produced by a long straight conductor of length L carrying current I of negligible area of cross section at a point on the conductor itself?

Asked by Topperlearning User 18th May 2015, 2:29 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

How will you find the direction of the magnetic field produced due to the current element of conductor?

Asked by Topperlearning User 18th May 2015, 2:28 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

State Biot Savart's law for the magnetic field produced at a point due to current element.

Asked by Topperlearning User 18th May 2015, 2:25 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

Q.Why does a current carrying loop act as a magnet?

Asked by Ravi consul 4th March 2015, 6:51 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

What is the reason that in biot savart's law the magnetic field is inversly proportional proprotional to square of distance between the conductor and the observation point?

Asked by rakshitreshu1997 10th February 2015, 12:30 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

The ratio of magnetic field at the centre of circular loop to the magnetic field at the centre of a square loop which are made by a constant length current carrying wire is____

Asked by Areeba Ahmad 1st November 2014, 11:23 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

The ratio of magnetic field at the centre of circular loop to the magnetic at the centre of a square loop which are made by a constant length current carrying wire is____

Asked by Areeba Ahmad 1st November 2014, 11:23 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

A straight wire of length 'l' is bent into a semicircular loop.Use Biot-Savart's law to deduce an expression for the magnetic field at its centre due to the current 'i' passing through it.

Asked by Mudita Agrawal 21st September 2014, 12:28 PM
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